Complete final year project materials on Basic soil test on sub-grade Soil material & flexible pavement Design on road linking in PDF or MSword for download.
PREFACE
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This case study is an existing pathway or fort path linking Ugwuji and Campus 111 (IMT) for a proposed road construction by the government of Enugu State.
This project encloses the following
- The condition of the existing sub-grade and its suitability for use as a good sub-grade soil material by processes of different lab test.
- Using the group index method and CBR method to design a flexible pavement on the pathway under consideration.
- The optimum moisture content (OMC) and the maximum Dry Density (MDD) which are obtained by various laboratory test with a view of applying corresponding values in the field.
TABLE OF CONTENTS
Title Page
Approval Page
Certification
Dedication
Preface
Acknowledgement
Table of Contents
CHAPTER ONE
Collection of Sample and Laboratory Testing Program
CHAPTER TWO
Mechanical Analysis
CHAPTER THREE
Compacting Test
CHAPTER FOUR
Atterberg Limit Test
4.1 Liquid Limit
Plastic Limit
CHAPTER FIVE
Califorms Bearing Ration (CBR) Test
CHAPTER SIX
Analysis Conclusion and Recommendation
6.1 Flexible Pavement Design
Bibliography
chapter one
COLLECTION OF SAMPLES AND LABORATORY TESTING PROGRAM
The test carried out in this project was on distributed soil sample.
This implies collecting soil samples that are disfigured their natural shape.
Soil samples were collected on three (3) trial pit along Ugwuaji and Campus 111 IMT Enugu. A total of three (3) samples were collected from the trial pits (one from each pit) using pick are and spade. The samples were taken at 1.0m depth in each pit.
The samples were put in polythene bags and labelled A, B, C. The samples were spread on the floor of the soil laboratory and stones removed for seven (7) days to allow for air drying.
The laboratory testing program comprises mechanical analysis, compaction test and atterberg limit tests, and the California bearing ratio (CBR) test.
The objectives of the laboratory testing program were
- To obtain a general information regarding the nature of the soil and their variation with depth throughout the length of the road under consideration.
- To obtain information regarding the strength characteristics of the soil.
- To obtain information which will enable engineers to group soils according to their appearances of the purposes of complying different soils.
CHAPTER TWO
MECHANICAL ANALYSIS
(Sieve Analysis)
AIM:
To get the particle size distribution of the soil sample. This is universally used in engineering soil classification.
Apparatus:
- Weighting Balance
- Iron Brush
- Oven
- Set of Bs Sieves
13.2mm, 6.3mm, 5.9mm, 4.75, 2.4mm (No 7)
1.2mm, 600
MICRONS, 420m (No 36) .300m, .210m, .120m and .75m (No 200).
PROCEDURE
100kg of the material is weighted out and put into a bowl for washing using the .75m sieve to decant. The essence of the decanting is to remove clay, dust and silt. Several buckets of water are used for the water until the sample become less turbid. The residue after the dry sample is then removed from the oven and put into the arranged set off sieves and retainer. The set of sieves are then taken to the sieve shaker for 10 minutes.
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